./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffb924ee3454938bf87e2a52362fa3f53467287e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:08:06,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:08:06,310 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:08:06,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:08:06,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:08:06,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:08:06,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:08:06,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:08:06,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:08:06,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:08:06,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:08:06,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:08:06,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:08:06,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:08:06,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:08:06,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:08:06,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:08:06,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:08:06,329 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:08:06,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:08:06,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:08:06,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:08:06,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:08:06,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:08:06,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:08:06,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:08:06,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:08:06,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:08:06,335 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:08:06,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:08:06,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:08:06,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:08:06,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:08:06,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:08:06,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:08:06,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:08:06,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:08:06,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:08:06,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:08:06,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:08:06,349 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:08:06,349 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:08:06,349 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:08:06,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:08:06,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:08:06,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:08:06,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:08:06,351 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:08:06,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:08:06,351 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:08:06,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:08:06,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:08:06,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:08:06,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:08:06,353 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffb924ee3454938bf87e2a52362fa3f53467287e [2018-11-18 09:08:06,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:08:06,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:08:06,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:08:06,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:08:06,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:08:06,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-18 09:08:06,422 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/data/47dd52cf5/a8d5c278c48b47e99ecf75388f1b17e3/FLAG716c70e5b [2018-11-18 09:08:06,849 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:08:06,849 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/sv-benchmarks/c/product-lines/minepump_spec1_product14_true-unreach-call_false-termination.cil.c [2018-11-18 09:08:06,856 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/data/47dd52cf5/a8d5c278c48b47e99ecf75388f1b17e3/FLAG716c70e5b [2018-11-18 09:08:06,868 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/data/47dd52cf5/a8d5c278c48b47e99ecf75388f1b17e3 [2018-11-18 09:08:06,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:08:06,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:08:06,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:06,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:08:06,874 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:08:06,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:06" (1/1) ... [2018-11-18 09:08:06,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:06, skipping insertion in model container [2018-11-18 09:08:06,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:08:06" (1/1) ... [2018-11-18 09:08:06,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:08:06,913 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:08:07,097 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:07,105 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:08:07,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:08:07,222 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:08:07,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07 WrapperNode [2018-11-18 09:08:07,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:08:07,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:07,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:08:07,223 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:08:07,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:08:07,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:08:07,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:08:07,267 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:08:07,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... [2018-11-18 09:08:07,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:08:07,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:08:07,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:08:07,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:08:07,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:08:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:08:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:08:07,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:08:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:08:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:08:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:08:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:08:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:08:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:08:07,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:08:07,333 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:08:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:08:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:08:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:08:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:08:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:08:07,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:08:07,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:08:08,026 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:08:08,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:08 BoogieIcfgContainer [2018-11-18 09:08:08,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:08:08,027 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:08:08,027 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:08:08,034 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:08:08,035 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:08" (1/1) ... [2018-11-18 09:08:08,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:08:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-11-18 09:08:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-11-18 09:08:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:08:08,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2018-11-18 09:08:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-11-18 09:08:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 09:08:08,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:08,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2018-11-18 09:08:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2018-11-18 09:08:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 09:08:08,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2018-11-18 09:08:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2018-11-18 09:08:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 09:08:08,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2018-11-18 09:08:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2018-11-18 09:08:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 09:08:08,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 106 transitions. [2018-11-18 09:08:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2018-11-18 09:08:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 09:08:08,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2018-11-18 09:08:09,376 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2018-11-18 09:08:09,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 09:08:09,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:09,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-11-18 09:08:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-11-18 09:08:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 09:08:09,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:08:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 96 states and 139 transitions. [2018-11-18 09:08:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2018-11-18 09:08:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 09:08:09,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:08:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 149 transitions. [2018-11-18 09:08:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2018-11-18 09:08:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:08:09,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:08:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 108 states and 162 transitions. [2018-11-18 09:08:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 162 transitions. [2018-11-18 09:08:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 09:08:09,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:08:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 158 transitions. [2018-11-18 09:08:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 158 transitions. [2018-11-18 09:08:09,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 09:08:09,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:08:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 164 transitions. [2018-11-18 09:08:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2018-11-18 09:08:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 09:08:10,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:08:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 201 transitions. [2018-11-18 09:08:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2018-11-18 09:08:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:08:12,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 09:08:12,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 128 states and 203 transitions. [2018-11-18 09:08:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2018-11-18 09:08:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 09:08:12,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:08:12,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:12,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 130 states and 208 transitions. [2018-11-18 09:08:12,718 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 208 transitions. [2018-11-18 09:08:12,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 09:08:12,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:08:13,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 139 states and 228 transitions. [2018-11-18 09:08:13,541 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 228 transitions. [2018-11-18 09:08:13,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:08:13,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:08:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 256 transitions. [2018-11-18 09:08:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 256 transitions. [2018-11-18 09:08:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:08:14,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:08:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 261 transitions. [2018-11-18 09:08:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-11-18 09:08:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:08:14,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:08:14,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 156 states and 262 transitions. [2018-11-18 09:08:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 262 transitions. [2018-11-18 09:08:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:08:14,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:08:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:15,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 158 states and 266 transitions. [2018-11-18 09:08:15,279 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2018-11-18 09:08:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:08:15,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:08:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 159 states and 265 transitions. [2018-11-18 09:08:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-18 09:08:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 09:08:15,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:08:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 175 states and 303 transitions. [2018-11-18 09:08:16,777 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 303 transitions. [2018-11-18 09:08:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:08:16,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:08:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 150 states and 234 transitions. [2018-11-18 09:08:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 234 transitions. [2018-11-18 09:08:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 09:08:17,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 09:08:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 152 states and 237 transitions. [2018-11-18 09:08:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 237 transitions. [2018-11-18 09:08:17,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 09:08:17,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 09:08:18,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 153 states and 238 transitions. [2018-11-18 09:08:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2018-11-18 09:08:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:08:18,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:08:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 169 states and 275 transitions. [2018-11-18 09:08:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 275 transitions. [2018-11-18 09:08:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:08:20,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:08:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 172 states and 279 transitions. [2018-11-18 09:08:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2018-11-18 09:08:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 09:08:20,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:20,504 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:08:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 180 states and 292 transitions. [2018-11-18 09:08:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 292 transitions. [2018-11-18 09:08:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:08:21,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 09:08:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 181 states and 293 transitions. [2018-11-18 09:08:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 293 transitions. [2018-11-18 09:08:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 09:08:21,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:21,431 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 09:08:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 175 states and 280 transitions. [2018-11-18 09:08:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2018-11-18 09:08:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 09:08:21,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 09:08:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 177 states and 285 transitions. [2018-11-18 09:08:21,588 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 285 transitions. [2018-11-18 09:08:21,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:08:21,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:21,903 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 09:08:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 187 states and 302 transitions. [2018-11-18 09:08:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 302 transitions. [2018-11-18 09:08:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 09:08:23,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 09:08:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 189 states and 305 transitions. [2018-11-18 09:08:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 305 transitions. [2018-11-18 09:08:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 09:08:23,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 09:08:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 190 states and 306 transitions. [2018-11-18 09:08:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 306 transitions. [2018-11-18 09:08:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 09:08:24,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 09:08:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 192 states and 309 transitions. [2018-11-18 09:08:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 309 transitions. [2018-11-18 09:08:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:08:24,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 09:08:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 193 states and 310 transitions. [2018-11-18 09:08:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 310 transitions. [2018-11-18 09:08:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 09:08:24,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:08:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:08:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 09:08:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:08:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 117 states and 173 transitions. [2018-11-18 09:08:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2018-11-18 09:08:24,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:08:24,476 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2018-11-18 09:08:24,485 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:08:24,733 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,736 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,737 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,737 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 09:08:24,740 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,740 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 09:08:24,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,741 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 09:08:24,741 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,742 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,742 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,742 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:08:24,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:08:24 ImpRootNode [2018-11-18 09:08:24,742 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:08:24,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:08:24,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:08:24,743 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:08:24,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:08:08" (3/4) ... [2018-11-18 09:08:24,747 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:08:24,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:08:24,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:08:24,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:08:24,751 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:08:24,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:08:24,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:08:24,752 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:08:24,756 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-11-18 09:08:24,757 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:08:24,757 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:08:24,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 09:08:24,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) [2018-11-18 09:08:24,810 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04d4a09e-df58-4bbe-b81e-839be3a3eb9d/bin-2019/ukojak/witness.graphml [2018-11-18 09:08:24,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:08:24,811 INFO L168 Benchmark]: Toolchain (without parser) took 17941.00 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 546.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -272.5 MB). Peak memory consumption was 274.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,812 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:08:24,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,812 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,813 INFO L168 Benchmark]: RCFGBuilder took 734.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,813 INFO L168 Benchmark]: CodeCheck took 16714.93 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 381.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -171.7 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,813 INFO L168 Benchmark]: Witness Printer took 68.05 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:08:24,814 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 79 locations, 1 error locations. SAFE Result, 16.4s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1570850140 SDtfs, -2018735044 SDslu, 1709290236 SDs, 0 SdLazy, -589816896 SolverSat, 967945064 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19338 GetRequests, 18759 SyntacticMatches, 247 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58161 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1935 NumberOfCodeBlocks, 1935 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1898 ConstructedInterpolants, 0 QuantifiedInterpolants, 263739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 19 PerfectInterpolantSequences, 1117/1365 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(\old(pumpRunning) == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -196.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 734.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 16714.93 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 381.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -171.7 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. * Witness Printer took 68.05 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...